Ohm's Law Defined, Ohm's Law Pie Chart

Ohm's Law defines the relationships between
(P) power, (E) voltage, (I) current, and (R) resistance. One ohm is the
resistance value through which one volt will maintain a current of one ampere.

( I ) Current is what flows on a wire or conductor
like water flowing down a river.
Current flows from negative to positive on the surface of a conductor.
Current is measured in (A) amperes or amps.

( E ) Voltage is the difference in electrical potential
between two points in a circuit. It's the push or pressure behind current flow through a circuit,
and is measured in (V) volts.

( R ) Resistance determines how much current will
flow through a component.
Resistors are
used to control voltage and current levels. A very high resistance allows a small amount of current
to flow. A very low resistance allows a large amount of current to flow. Resistance is measured
in ohms.

( P ) Power is the amount of current times the voltage
level at a given point measured in wattage
or watts.